---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20150 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 635 10049 4 5304 15011 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:80:af:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.163/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82510sec preferred_lft 82510sec inet6 fe80::f816:3eff:fe80:af24/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:6a:e4:0b:9c:75 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-20150) 05/26/26 _x86_64_ (4 CPU) 00:00:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:18 14.10 12.07 2.01 0.02 136.73 39.83 0.48 00:20:17 1.55 0.00 1.55 0.00 0.01 16.88 0.00 00:30:08 48.46 4.14 43.65 0.67 257.17 4179.90 891.07 00:40:01 4.06 0.07 3.80 0.20 7.14 633.44 128.01 Average: 16.98 4.08 12.67 0.22 100.04 1209.18 253.10 00:00:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:18 13341612 15505240 500992 3.06 62576 2317852 1156804 6.64 441908 2313188 12 00:20:17 13341920 15506172 500024 3.05 63188 2317868 1156996 6.64 442520 2318112 20 00:30:08 10818704 14162456 1799832 10.99 118328 3375608 2139200 12.28 695360 4495380 3812 00:40:01 8999668 12516884 3443860 21.03 124168 3528708 3688840 21.17 747212 6255160 348 Average: 11625476 14422688 1561177 9.54 92065 2885009 2035460 11.68 581750 3845460 1048 00:00:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:18 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 00:10:18 ens3 0.29 0.11 0.07 0.04 0.00 0.00 0.00 0.00 00:10:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:20:17 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 00:20:17 ens3 0.49 0.40 0.07 0.48 0.00 0.00 0.00 0.00 00:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:08 lo 0.39 0.39 0.04 0.04 0.00 0.00 0.00 0.00 00:30:08 ens3 81.41 65.71 891.47 12.22 0.00 0.00 0.00 0.00 00:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:40:01 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 00:40:01 ens3 10.25 8.37 36.35 2.69 0.00 0.00 0.00 0.00 00:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.30 0.30 0.11 0.11 0.00 0.00 0.00 0.00 Average: ens3 22.95 18.52 230.33 3.83 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-20150) 05/26/26 _x86_64_ (4 CPU) 00:00:18 CPU %user %nice %system %iowait %steal %idle 00:10:18 all 0.19 0.07 0.04 0.07 0.02 99.61 00:10:18 0 0.61 0.00 0.02 0.02 0.02 99.33 00:10:18 1 0.02 0.00 0.03 0.03 0.01 99.93 00:10:18 2 0.04 0.00 0.05 0.00 0.03 99.88 00:10:18 3 0.08 0.28 0.08 0.23 0.01 99.32 00:20:17 all 0.14 0.00 0.03 0.01 0.02 99.81 00:20:17 0 0.02 0.00 0.02 0.00 0.02 99.93 00:20:17 1 0.03 0.00 0.03 0.00 0.02 99.92 00:20:17 2 0.46 0.00 0.03 0.00 0.02 99.49 00:20:17 3 0.05 0.00 0.03 0.03 0.01 99.89 00:30:08 all 21.81 0.00 0.76 0.25 0.05 77.13 00:30:08 0 24.09 0.00 0.59 0.09 0.05 75.19 00:30:08 1 22.51 0.00 0.83 0.09 0.05 76.52 00:30:08 2 20.26 0.00 0.67 0.05 0.05 78.97 00:30:08 3 20.38 0.00 0.94 0.76 0.06 77.86 00:40:01 all 47.17 0.00 0.71 0.02 0.09 52.01 00:40:01 0 63.49 0.00 0.74 0.03 0.10 35.64 00:40:01 1 45.84 0.00 0.66 0.01 0.08 53.40 00:40:01 2 41.68 0.00 0.82 0.02 0.08 57.40 00:40:01 3 37.73 0.00 0.62 0.01 0.09 61.55 Average: all 17.22 0.02 0.38 0.09 0.04 82.25 Average: 0 21.91 0.00 0.34 0.03 0.05 77.66 Average: 1 16.98 0.00 0.39 0.03 0.04 82.56 Average: 2 15.51 0.00 0.39 0.02 0.05 84.04 Average: 3 14.49 0.07 0.42 0.26 0.04 84.73